Device for actuating shut-off valves for piston or valve movements of any kind.



.No. 722,656. PATENTED MAR.10, 190's.

y c. NIELSEN. H DEVICE FORAGTUATING SHUT-OFF. VALVES FOR PISTON ANDVALVE MOVEMENTS 0? ANY ,KIND.

APPLICATION FILED OUT. 2, 1902.

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G..NIELSEN.-

DEVICE FOR AGTUATING SHUT-OFF VALVESI FOR PISTON AND YVALVE MOVEMENTS OFANY KIND.

APPLICATION IILE'D OUT. 2, 1902'. 2 sums-sum 2.

NO MODEL.

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CARL NIELSEN, OF COPENHAGEN, DENMARK.

DEVICE FOR ACTUATING SHUT-OFF VALVES FOR PISTON OR VALVE MOVEMENTS OFANY KIND.

SPECIFICATION forming part of Letters Patent No. 722,656, dated March10, 1903 Application filed October 2, 1902. Serial No. 125,707. (Homodel.)

To all whmn it puny concern.-

Be it known that I, CARL NIELSEN, manufacturer, a subject of the King ofDenmark, residing at 7 Miinstersweg,Oopenhagemin the Kingdom of Denmark,have invented certain new and useful Improvements in Devices forActuating Shut Off Valves for Piston or Valve Movements of Any Kind, ofwhich the following is a full, clear, and exact descrip-- the pressurein the receiver reaches the desired point, or the pressure mechanism,such as an air-pump, be put automatically out of I action when thepressure in the receiver reaches the desired point.

In the accompanying drawings, Figure l is a sectional view showing aportion of a bicycle-wheel provided with an air-pump and a tireconnected together by my improved automatic controller. Fig. 2 is asectional view of the same, taken on the plane indicated by the line A Aof Fig. 1. Fig. 3 is a sectional view illustrating a modification of myinvention. Fig. 4 is a detail view showing a portion of the inflatableexpansible connecting-hose and the clamp adj ustably attached thereto.

In the embodiment of my invention I provide an expansible flexible hosea, which may be made of india-rubber or any other suitable elasticmaterial and which may be of any suitable construction adapted to beexpanded by fluid-as gas, air, or the 1ikeunder pressure therein todistend it diametrically and correspondingly shorten it, so that thesaid hose is susceptible to deformation or alteration of its shape byvariations of the pressure therein.

In Figs. 1 and 2 the expansible hose is shown connected to an air-pu mp19 on the hub 11 of a bicycle-wheel and also connected to the pneumaticor inflatable tire Zthereof. The piston of the pump has a rod is,notched on one side and provided at its outer end with a roller, whichengages a revoluble cam e, which when it is turned operates the piston,and hence causes air to be compressed by the pump and forced through thehose 0. into the tire Z. The air-pu mp is provided with a detent (2,(here shown as a longitudinally-movable bolt-hook,) which is adaptedwhen moved in one direction to engage the notch in the piston-rod k tolock the latter against operation and at the inner limit of its stroke,and when moved in the reverse direction is adapted to disengage saidnotch to release the piston-rod, and hence put the pump in condition tobe actuated. A clamp disconnected to and carried by the expansible hosea. This clamp may be of-any suitable form and is preferably of suchconstruction that it is adapted to be adjustably secured to theexpansible hose. A link I), which is here shown as a hook, is attachedto the clamp and connected to the detent c.

When the air-pump is operated, the compressed air is conducted therefromto the tire Z through the expansible hose a, which latter retains itsshape until the pressure in the tire becomes such as is required, andthereafter the continued action of the pump causes the pressure in thehose a to expand the same and correspondingly shorten it, with theresult that the detent c is moved by its connection with the hose intoengaged position with the piston-rod of the air-pump, thereby puttingthe latter out of action. When the pressure in the tire diminishes, thehose a reassumes its normal form and size, (indicated in full lines inFig. 1,) and hence moves the detent 0 out of engagement with thepiston-rod, thereby causing the air-pump to be again started inoperation.

In Fig. 3 of the drawings the expansible hose a. forms the connectionbetween a gasometer-bell f and a gas-receiver g. A'valve h is interposedbetween the hose a and gas-receiver, and the stem m of the valve has anoperating-arm n, which is engaged by a spring g, which acts to normallyclose the valve. The gasometer-bell is shown as provided with aguide-roller t, which engages a verticallydisposed guide-rod,which isshown as extending from the upper portion of the water-tank in which thegasometer-bell floats and is connected at its upper end to a yoke 4",which forms a stop adapted to be engaged by the roller 2! when the bellrises by the pressure of the gas therein. The clamp d on the expansiblehose a is connected by a link 0 to the arm 'n of the valve It. When thebell is arrested at the upper limit of its movement by the engagement ofthe roller with the stop 7", the pressure in the hose or, becomes suchas to expand the hose laterally and contract it in length, and therebycause the clamp d to move, as indicated in dotted lines in Fig. 8, andcause the link 0 and arm 'n to close the valve h. On the descent of thegasometerbell, caused by a diminution of the gas-pressure therein, thehose a reassumes its normal condition, causing the link 0 to release thevalve h, whereupon the spring q closes the valve to cut offcommunication between the gasometer-bell and the receiver g.

From the foregoing description, taken in connection with theaccompanying d rawings, the construction, mode of operation, andadvantages of the invention will be readily apparent, it is thought,without requiring a more extended explanation.

Various changes in the form, proportion,

c and the minor details of construction may be resorted to withoutdeparting from the principle or sacrificing any of the advantages of myinvention.

I claim- 1. The combination of a source of compressed fluid, afluid-pressure container fed thereby, a flexible connecting elementbetween them, capable of variations in form under varying pressures, anda controlling element automatically operated by the deformation of theflexible connecting element caused by the variations of pressuretherein, substantially as described.

2. The combination of a fluid-pressure receiver, mechanism for supplyingfluid under pressure thereto, a flexible connecting element between saidreceiver and said mechanism, capable of variations in form under varyingpressures, and a connection between the said flexible element, and acontrolling element in the said mechanism to automatically control thelatter by the deformation of the flexible element caused by thevariations of the pressure therein, substantially as described.

3. The combination of a source of compressed fluid, a flexible tubularelement leading therefrom and capable of variations in form undervarying pressures, and a controlling element connected to the saidflexible tubular element and automatically operated by the deformationthereof, caused by the variations of pressure therein, substantially asdescribed.

In witness whereof I subscribe rny signature in presence of twowitnesses.

CARL NIELSEN.

WVitnesses:

HENRY HASPER, WOLDEMAR HAUPT.

